40792639 has 24 divisors (see below), whose sum is σ = 47731680. Its totient is φ = 34790976.

The previous prime is 40792607. The next prime is 40792643. The reversal of 40792639 is 93629704.

It is not a de Polignac number, because 40792639 - 2⁵ = 40792607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40792649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1773582 + ... + 1773604.

It is an arithmetic number, because the mean of its divisors is an integer number (1988820).

Almost surely, 2^40792639 is an apocalyptic number.

40792639 is a deficient number, since it is larger than the sum of its proper divisors (6939041).

40792639 is an equidigital number, since it uses as much as digits as its factorization.

40792639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 40792639 is about 6386.9115384511. The cubic root of 40792639 is about 344.2394194787.

The spelling of 40792639 in words is "forty million, seven hundred ninety-two thousand, six hundred thirty-nine".